Subject:
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Re: why doesn't this work?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 30 Nov 2004 22:03:26 GMT
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Viewed:
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1058 times
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In lugnet.robotics, Steve Hassenplug wrote:
> What is the value of inc when you're done?
2000
> And, is SENSOR_1 defined as a rotation sensor? (and active?)
Yes (it shows up fine on the watch graph)
Steve
here's the whole program
#define TRUE 1
#define FALSE 0
int Vvariable;
int Aforward=1;
int speed;
int maxspeed=0;
int timeout=0;
int array[27];
task main()
{
//start speedcontrol;
SetSensor(SENSOR_1, SENSOR_ROTATION); ClearSensor(SENSOR_1);
SelectDisplay(DISPLAY_SENSOR_1);
SetDirection(OUT_A, OUT_REV);
// SetPower(OUT_LOW);
SetOutput(OUT_A, OUT_ON);
Wait(150);
Float(OUT_A);
// SetPower(OUT_FULL);
//cut down speed limit
init();
/* start speedlimiter;
while(true)
{
basic();
} */
//StopAllTasks();
}
void init()
{
OnFwd(OUT_A);
Wait(150);
Float(OUT_A);
int oldsensor=SENSOR_1;
int temp;
int inc=0;
while(timeout<2000)
{
temp = SENSOR_1;
if(temp != oldsensor)
{
if(inc<27){array[inc] = timeout;
}
timeout=0;
inc=inc+1;
oldsensor=temp;
}
else
{timeout++;}
}
start checkvar;
}
void move(int pvar)
{
}
task speedcontrol()
{
int safetyspeed;
while(TRUE){
int oldvar=SENSOR_1;
Wait(1);
if(Aforward)
{safetyspeed=SENSOR_1-oldvar;}
else
{safetyspeed=oldvar-SENSOR_1;}
speed=safetyspeed;
if(speed > maxspeed){maxspeed=speed;}
SetUserDisplay(speed,0);
}
}
task speedlimiter()
{
while(TRUE){
if(speed > maxspeed/6)
{
Float(OUT_A);
Wait(1);
SetOutput(OUT_A, OUT_ON);
} }
}
task checkvar()
{
int temp=0;
while(true)
{
Vvariable = array[temp];
Wait(25);
temp++;
if(temp<27)temp=0;
}
}
void basic()
{
int target;
target = Random(300);
move(target);
Wait(500);
}
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Message has 1 Reply:
 | | Re: why doesn't this work?
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| (...) I think that means for the first 27 times through the loop, the value for SENSOR_1 changes every time. So all the values would be 0 or 1. Instead of storing the timeout, try creating a seperate counter that's incromented each time through the (...) (20 years ago, 30-Nov-04, to lugnet.robotics)
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